Fireproof window construction.



B.H.LUNKEN. FIREPROOF WINDOW CONSTRUCTION. APPLICATION FILED MAR.18,1911.

1,002,166. PatentedAug. 29, 1911.

2 SBBETS*SHEBT 1.

. readily efl'ec ted'' joined together P1 i finished and are designedto'be applied after UNITED sTATEs PaTnNTonnICE.

EDMUNIJH.- LUNKEN 'or CINCINNATI, oI-IIo, s 'ssIerNoitv TolfifiinLUNKENHEIMER 4 lcoMPANY; A CORPORATION 0F OHIO.

' FI `REP RooF WINDOW CONSTRUCTION.

`To all whom 'it-may; concern:

Specication of Letters Patent. 'Application led March 18, 1911-.

the frames are walled in,

Be it known-that IQEDMUND LUNKIIJN, 4citizen of the UnitedStatesfresiding at Cm- 'cinnati, Ohio, 1i-llave` invented certain newdow Constructiomfof the type dise-@sedia ters Patent pf. lth-iUnitedf,Stilles filed' Feb' among othersfforitsob structionjin whifch'x readily'initially a j tion to' permit the`, s as by .which subsequent latesnia-ygb I l'dff' "of anyparts.

r The inventioni of construction andiarrangem nationv of] parts.4vherein'after particularlysetlforth'in'theap Inorder toillu'stratefthefive ence :is madeto thefaccomp'a'ny' g in Whichz-l- Figure 1 is vvavfront view Iofth'eframemi nus the sash, *showingfthelefthand-cover?plate slightly removed;v and show-ing, the V'po- L sition of thethreeadjustingscrewsFig. 3 is a-,f lsection'on line B B of-Fig. 1; *Figi LasaSec-` ehfflli` i Zonta] section showing a mullion between-.y theframes,V this last view showing thefconisa section on line A A ofFig. 1;'Fi

tion on line C C of Fig. 3;. Fig-.5 is" struction when two" or threewindows-*are the adjusting screw.

Referring by reference characters ,to these drawings,v the main frameisshown as consisting of -a top member'or box 2, a bottom corners;

The reargedges 4a@ lmembers may be connected bythe strength# ening websor bars., When the'windows r are shipped .from-f -theffactoryj the coveratesA are not inl'place, as theyarcj highly Fig'. 6 'isadetail'view of.

Patented Aug. 29,` 1911. serial No.- 615,319.

and the building construction advanced to such a stage as to. precludetheliability of injury Vofthe lin# j-ished'surfaces. When the coverplates are and useful Improvements in Fireproof Win- 5 Lwhich thefollowing is PrQYde e" con? 7";

`! the heads are slotted as indicated ata to enable j flanges 4b,portions 6b lfndowcon'struction of an application'- for Let- I claim is:l

applied, their flanges 6al lit-v within the flanges and are guid ed orpositioned by the and the bottoms of the channeled abut against theadjustable stops 7, of which preferably siX are'used on each sidearranged as shown most clearly in Figs. Zand 3.' These stops arepreferably made in the form of screws having reduced heads which .lie"inopenings iiithe bottom o f channels of thecover plates and whicherrrtofbe turned by al screw driver or like l to secure properadjustment. The hreagdedfportion 7? of the screws Aengage are preferablysejcured `therear face of the frame members by VAfter the stops 7 havehold the cover plates in noperypositionfto secure accurate fit and asymovement ofthe sash, the cover plates arel held in proper position bythe retaining screws 9a, the heads of which are counter? sunk intoY thecoverV plates and the Shanks o f openings inl thewliich are threadedinto socketpiecesfalongside Ythe ofthe building should cause binding ofthe' Proper adjustment may be made without removal of any parts bysimply loosening the retaining screws 9a 'and adjustinglthe stops 7 in-or out to the .proper may be tightenedup again;r

l The construction vabove described is ap licableto double windows,V asillustrated in ig.'5, .in which are shown two side frames 4 placedbackto back and secured together by 4the overlappingjmolding strips 10secured in place b v means such as screws 11.

lIt is obvious that the improvements above ldescribed vare applicable towindows in which the sashes are lof the weighted'type, or

mathe inferior threads .0f the memuicf f isoeket' pieces `flf'hchA orears 8a on adjustablestops. Y `If','at a-nyftimeafter assembling, thesettling amount, .after which' the retaining screws,

vto those linvvhich the upper and'lower sashes.

arearranged to-'balance each other.

Having thus described my invention what 1. In metallic windowconstruction, 'thev and removable cover4 plate, of socket mein berscarried by said side frame member,

lstop screws carried by said socket members intervening space andbearing against the Copies ot this patent may be obtained for ve centseach, by addressing the. Washington, D. C.

front and rear Walls thereof., stop screws adjustably held by saidsocket members, ,and a. cover plate with means Afor clamping it againstsaid stop screws, said cover plate having side anges slidingly engagingthe forwardly projecting flanges of the side member. l

In testimony whereof, I aiix my signature in presence of two witnesses.

EDMUND I-I. LUNKEN.

Witnesses:

I-I. W. STANNARD, GEO. H. REDBELL.

Commissioner of Patents,

